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FULL METAL COFFIN

Also known as FULL METAL COFFIN, fmc, full metal coffin

FULL METAL COFFIN is a 3D co-op submarine simulator. Crew your vessel with up to 8 players. Load the torpedoes, survive depth charges, and eliminate the enemy. Fight for resource deposits below the Antarctic, and dominate the new frontier.

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Last update

28 Jun 2026

Latest update

Patch notesPublished 1d ago

Stability Patch 1 Release

Stability Patch 1 As promised. This fixes a lot of the immediate issues the game had on launch, and a few other things which have been on my radar Additions: added torpedo recycler button (cherry flavor) lights flicker…

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Update history

Browse past updates and patch notes for this game.

3 updates

June 2026
Firstly, thank you! I just want to thank everyone for the warm reception. I'm genuinely blown away. As such, I'm expanding the planned post-release content for you. I'm really inspired by the atmosphere of hope for the…2 changes1 numericPerformancePatch notes2d ago
Release plan: Currently, the plan is to release the game this coming Wednesday, June 24th, and support the game with bug fixes & minor additional content for the month that follows It's been a long journey. This is my f…4 changesGameplayPerformancePatch notes6d ago

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Stability Patch 1 Release

June 2026